%0 Journal Article %A Fritz Gesztesy %A Vadim Tkachenko %T When is a non-self-adjoint Hill operator a spectral operator of scalar type? %J Comptes Rendus. Mathématique %D 2006 %P 239-242 %V 343 %N 4 %I Elsevier %R 10.1016/j.crma.2006.06.014 %G en %F CRMATH_2006__343_4_239_0